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wlr_raster: Implement explicit sync for multigpu blits

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This commit is contained in:
Alexander Orzechowski 2024-10-13 11:58:53 -04:00
parent 5ac236085d
commit df20cd28d0
1 changed files with 16 additions and 1 deletions
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17
types/wlr_raster.c
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@ -241,7 +241,18 @@ static struct wlr_buffer *raster_try_blit(struct wlr_raster *raster,
return NULL;
}
struct wlr_render_pass *pass = wlr_renderer_begin_buffer_pass(src, buffer, NULL);
struct wlr_drm_syncobj_timeline *timeline = NULL;
int drm_fd = wlr_renderer_get_drm_fd(src);
if (src->features.timeline && drm_fd >= 0) {
timeline = wlr_drm_syncobj_timeline_create(drm_fd);
}
const struct wlr_buffer_pass_options pass_options = {
.signal_timeline = timeline,
.signal_point = 1,
};
struct wlr_render_pass *pass = wlr_renderer_begin_buffer_pass(src, buffer, &pass_options);
if (!pass) {
wlr_log(WLR_ERROR, "Failed to create a render pass");
wlr_buffer_drop(buffer);
@ -251,8 +262,12 @@ static struct wlr_buffer *raster_try_blit(struct wlr_raster *raster,
wlr_render_pass_add_texture(pass, &(struct wlr_render_texture_options) {
.texture = source->texture,
.blend_mode = WLR_RENDER_BLEND_MODE_NONE,
.wait_timeline = timeline,
.wait_point = 1,
});
wlr_drm_syncobj_timeline_unref(timeline);
if (!wlr_render_pass_submit(pass)) {
wlr_log(WLR_ERROR, "Failed to renedr to a multigpu blit buffer");
wlr_buffer_drop(buffer);